9.1: The claim made in the following sentence (9.2) is absolutely false.

9.2: The claim made by the preceding sentence (9.1) is completely true.

9.3: This statement (9.3) is false.

9.4: Assuming that the hypothesis being tested in the above statement (9.3) is 'the sentence (9.3) exists', the argument 'This statement (9.3) is false' is in itself false, constituting a Type I error; the sentence (9.3) should instead read 'This statement (9.3) is true'.